1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
4 *
5 * Copyright (C) 2013-2017 Matthias Schwarzott <zzam@gentoo.org>
6 *
7 * References:
8 * http://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf
9 */
10
11 #ifndef _DVB_SI2165_H
12 #define _DVB_SI2165_H
13
14 #include <linux/dvb/frontend.h>
15
16 enum {
17 SI2165_MODE_OFF = 0x00,
18 SI2165_MODE_PLL_EXT = 0x20,
19 SI2165_MODE_PLL_XTAL = 0x21
20 };
21
22 /* I2C addresses
23 * possible values: 0x64,0x65,0x66,0x67
24 */
25 struct si2165_platform_data {
26 /*
27 * frontend
28 * returned by driver
29 */
30 struct dvb_frontend **fe;
31
32 /* external clock or XTAL */
33 u8 chip_mode;
34
35 /* frequency of external clock or xtal in Hz
36 * possible values: 4000000, 16000000, 20000000, 240000000, 27000000
37 */
38 u32 ref_freq_hz;
39
40 /* invert the spectrum */
41 bool inversion;
42 };
43
44 #endif /* _DVB_SI2165_H */